19728750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5261}}^1$

素因数の和:5286

約数の個数: 40

約数和(自身を含む): 49315464

約数和(自身を除く): 29586714

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5261, 10522, 15783, 26305, 31566, 52610, 78915, 131525, 157830, 263050, 394575, 657625, 789150, 1315250, 1972875, 3288125, 3945750, 6576250, 9864375, 19728750]

約数ペア:

[(1, 19728750), (2, 9864375), (3, 6576250), (5, 3945750), (6, 3288125), (10, 1972875), (15, 1315250), (25, 789150), (30, 657625), (50, 394575), (75, 263050), (125, 157830), (150, 131525), (250, 78915), (375, 52610), (625, 31566), (750, 26305), (1250, 15783), (1875, 10522), (3750, 5261)]